Using Exit Charts to Develop an Early Stopping Criterion for Turbo Decoding

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Potman, Jordy and Hoeksema, Fokke and Slump, Kees (2004) Using Exit Charts to Develop an Early Stopping Criterion for Turbo Decoding. In: IEEE Benelux Signal Processing Symposium, SPS 2004, 15-16 Apr. 2004, Hilvarenbeek, The Netherlands.

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Abstract:Early stopping criteria are used to determine when additional decoder iterations result in little or no improvement in the bit- error-rate (BER) at the output of a Turbo decoder. This paper proposes a stopping criterion based on Extrinsic Information Transfer (EXIT) charts. The generation and properties of EXIT charts are discussed. Convergence and BER predictions obtained using EXIT charts are compared to results obtained using Turbo decoder simulation. Finally this paper describes the use of convergence and BER predictions obtained from EXIT charts to develop a stopping criterion for Turbo decoding.
Item Type:Conference or Workshop Item
Copyright:© 2004 IEEE
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/49445
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